Merge pull request #73 from leafsoar/master

跟系统键盘来回切换可能导致的问题

Merge pull request #73 from leafsoar/master
5614bfb4 · Im-Kevin · GitHub · 510f9ecb · 5c6ab5f0 · 5614bfb4
--- a/lib/keyboards/keyboard_manager.dart
+++ b/lib/keyboards/keyboard_manager.dart
@@ -219,7 +219,7 @@ class CoolKeyboard {
      //   }
      // });
      if (animation) {
-        _pageKey!.currentState!.exitKeyboard();
+        _pageKey!.currentState?.exitKeyboard();
        Future.delayed(Duration(milliseconds: 116)).then((_) {
          _root!.clearKeyboard();
        });